COLLAR A 4B3488 - Caterpillar

Illustration 1 g02949597
Input transfer gears (1) Housing (torque converter) (2) Drive gear (transmission and hydraulic implement pump) (3) Pump drive flange (4) Pump (transmission oil) (5) Torque converter (6) Gear (torque converter output) (7) Drive gear (8) Gear (Input for planetary transmission)The input transfer gears are at the input side of the transmission in the torque converter housing (1). Gear (7), attached to the back of the torque converter drives gear (2). Gear (2) drives flange (3) which is splined to transmission oil pump (4) .Torque converter output gear (6) drives gear (8) which drives the input shaft for the planetary transmission.